Mainframe Modernization - CSS Billing SME

About US: We are a company that provides innovative, transformative IT services and solutions. We are passionate about helping our clients achieve their goals and exceed their expectations. We strive to provide the best possible experience for our clients and employees. We are committed to continuous improvement and innovation, and we are always looking for ways to improve our services and solutions. We believe in working collaboratively with our clients and employees to achieve success.

DS Technologies Inc is looking for Mainframe Modernization - CSS Billing SME role for one of our premier clients.

Job Title: Mainframe Modernization - CSS Billing SME

Location: Remote

Position Type: Contract

Only W2

Job Description

We are seeking an experienced CSS Billing Subject Matter Expert (SME) to support Mainframe Modernization initiatives for a large Energy & Utilities client. The ideal candidate will bring deep functional and technical expertise in Customer/1 (CSS) Billing systems and Mainframe technologies, with a strong understanding of utility billing processes.

Key Responsibilities

• Act as the CSS Billing SME for Mainframe Modernization programs
• Provide deep expertise in Customer/1 (CSS) Billing within Energy & Utilities
• Analyze existing mainframe COBOL-based billing applications and support modernization efforts
• Collaborate with business stakeholders, architects, and technical teams to define billing requirements
• Support impact analysis, system documentation, and functional design during modernization
• Assist in data mapping, billing logic validation, and testing activities
• Ensure accurate translation of legacy billing rules into modern platforms
• Provide guidance on best practices for utility billing and regulatory compliance

Required Skills & Experience

• Strong experience as a CSS Billing SME in Energy & Utility Billing
• Hands-on experience with Customer/1 (CSS)
• Solid background in Mainframe technologies, including MF COBOL
• Strong understanding of utility billing processes (rates, usage, invoices, adjustments)
• Experience supporting Mainframe Modernization or Legacy Transformation initiatives
• Excellent communication and stakeholder management skills

Nice to Have

• Experience with National Grid or similar utility providers
• Exposure to cloud or modern billing platforms
• Experience working in large-scale transformation programs